<!DOCTYPE html>
<style>
div {
  height: 50px;
  border: 1px solid black;
  margin-top: 2px;
}
#first {
  background-color: yellow;
  margin-top: 110px;
}
</style>
<div id="first"></div>
<!-- The geometries below matches the imperfect subpixel painting after
     the composited layers are moved in subpixels. -->
<div style="height: 51px"></div>
<div style="margin-top: 1px"></div>
<div style="margin-top: 3px"></div>
<div></div>
<div></div>
<div style="height: 51px"></div>
